/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:32:30,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:32:30,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:32:30,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:32:30,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:32:30,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:32:30,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:32:30,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:32:30,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:32:30,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:32:30,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:32:30,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:32:30,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:32:30,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:32:30,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:32:30,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:32:30,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:32:30,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:32:30,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:32:30,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:32:30,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:32:30,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:32:30,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:32:30,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:32:30,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:32:30,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:32:30,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:32:30,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:32:30,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:32:30,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:32:30,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:32:30,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:32:30,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:32:30,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:32:30,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:32:30,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:32:30,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:32:30,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:32:30,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:32:30,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:32:30,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:32:30,835 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 11:32:30,900 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:32:30,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:32:30,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:32:30,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:32:30,905 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:32:30,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:32:30,906 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:32:30,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:32:30,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:32:30,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:32:30,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:32:30,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:32:30,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:32:30,908 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:32:30,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:32:30,908 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:32:30,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:32:30,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:32:30,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:32:30,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:32:30,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:32:30,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:32:30,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:32:30,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:32:30,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:32:30,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:32:30,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:32:30,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:32:30,911 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:32:30,911 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:32:31,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:32:31,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:32:31,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:32:31,450 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:32:31,451 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:32:31,452 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product52.cil.c [2020-10-29 11:32:31,546 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69c948be5/8ed45c0909be4dcd9b1b561d9f48dc58/FLAGb7cebd127 [2020-10-29 11:32:32,244 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:32:32,245 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product52.cil.c [2020-10-29 11:32:32,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69c948be5/8ed45c0909be4dcd9b1b561d9f48dc58/FLAGb7cebd127 [2020-10-29 11:32:32,555 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69c948be5/8ed45c0909be4dcd9b1b561d9f48dc58 [2020-10-29 11:32:32,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:32:32,565 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:32:32,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:32:32,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:32:32,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:32:32,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:32:32" (1/1) ... [2020-10-29 11:32:32,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23de09a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:32:32, skipping insertion in model container [2020-10-29 11:32:32,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:32:32" (1/1) ... [2020-10-29 11:32:32,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:32:32,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:32:32,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:32:32,969 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:32:33,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:32:33,162 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:32:33,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:32:33 WrapperNode [2020-10-29 11:32:33,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:32:33,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:32:33,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:32:33,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:32:33,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:32:33" (1/1) ... [2020-10-29 11:32:33,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:32:33" (1/1) ... [2020-10-29 11:32:33,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:32:33" (1/1) ... [2020-10-29 11:32:33,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:32:33" (1/1) ... [2020-10-29 11:32:33,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:32:33" (1/1) ... [2020-10-29 11:32:33,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:32:33" (1/1) ... [2020-10-29 11:32:33,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:32:33" (1/1) ... [2020-10-29 11:32:33,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:32:33,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:32:33,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:32:33,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:32:33,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:32:33" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:32:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:32:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:32:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 11:32:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:32:33,333 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 11:32:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 11:32:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-29 11:32:33,348 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-29 11:32:33,351 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-29 11:32:33,351 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-29 11:32:33,352 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-29 11:32:33,352 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-29 11:32:33,352 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-29 11:32:33,352 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-29 11:32:33,352 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-29 11:32:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-29 11:32:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-29 11:32:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-29 11:32:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 11:32:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 11:32:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 11:32:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 11:32:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:32:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-29 11:32:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-29 11:32:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 11:32:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 11:32:33,355 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 11:32:33,355 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 11:32:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-29 11:32:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-29 11:32:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-29 11:32:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-29 11:32:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-29 11:32:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-29 11:32:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-29 11:32:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-29 11:32:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 11:32:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 11:32:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 11:32:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 11:32:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 11:32:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 11:32:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 11:32:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:32:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:32:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:32:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:32:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:32:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 11:32:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-29 11:32:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-29 11:32:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-29 11:32:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-29 11:32:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 11:32:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 11:32:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 11:32:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-29 11:32:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-29 11:32:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-29 11:32:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-29 11:32:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-29 11:32:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-29 11:32:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-29 11:32:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-29 11:32:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-29 11:32:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-29 11:32:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-29 11:32:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-29 11:32:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-29 11:32:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-29 11:32:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-29 11:32:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-29 11:32:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 11:32:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 11:32:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-29 11:32:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 11:32:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 11:32:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 11:32:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 11:32:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:32:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 11:32:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 11:32:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-29 11:32:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 11:32:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 11:32:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 11:32:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 11:32:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 11:32:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:32:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 11:32:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 11:32:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:32:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 11:32:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 11:32:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:32:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 11:32:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 11:32:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 11:32:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:32:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:32:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:32:34,408 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:32:34,408 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-29 11:32:34,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:32:34 BoogieIcfgContainer [2020-10-29 11:32:34,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:32:34,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:32:34,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:32:34,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:32:34,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:32:32" (1/3) ... [2020-10-29 11:32:34,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d959a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:32:34, skipping insertion in model container [2020-10-29 11:32:34,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:32:33" (2/3) ... [2020-10-29 11:32:34,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d959a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:32:34, skipping insertion in model container [2020-10-29 11:32:34,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:32:34" (3/3) ... [2020-10-29 11:32:34,420 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product52.cil.c [2020-10-29 11:32:34,433 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:32:34,438 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 11:32:34,452 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 11:32:34,503 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:32:34,503 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:32:34,503 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:32:34,504 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:32:34,504 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:32:34,504 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:32:34,504 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:32:34,504 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:32:34,528 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2020-10-29 11:32:34,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-29 11:32:34,539 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:32:34,540 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:32:34,541 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:32:34,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:32:34,547 INFO L82 PathProgramCache]: Analyzing trace with hash -916357170, now seen corresponding path program 1 times [2020-10-29 11:32:34,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:32:34,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [74194614] [2020-10-29 11:32:34,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:32:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:34,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:35,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:35,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:37,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:37,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:39,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:39,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-29 11:32:39,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:32:39,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 11:32:39,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:39,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:39,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:32:39,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:32:39,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-29 11:32:39,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 11:32:40,284 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:32:40,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:32:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:40,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:40,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:40,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:40,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:40,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-29 11:32:40,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:40,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:40,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:40,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:40,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:32:40,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:40,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:32:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:40,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:40,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:40,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:40,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:40,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:32:40,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:40,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:40,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:40,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:40,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:32:40,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:40,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:32:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:40,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:40,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:40,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:40,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:40,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:32:40,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:40,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:40,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:40,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:40,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:32:40,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:40,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:32:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:40,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:40,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:40,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:40,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:40,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:32:40,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:40,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:40,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:40,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:40,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:32:40,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:40,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:32:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:40,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:40,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:40,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:40,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:40,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:32:40,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:40,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:40,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:40,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:40,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:32:40,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:40,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:32:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:40,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:40,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:40,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:40,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:40,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:32:40,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:40,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:40,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:40,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:40,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:32:40,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:40,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 11:32:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:40,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:40,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:40,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:40,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:40,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:40,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:40,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:40,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:40,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:32:40,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:40,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:40,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 11:32:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:40,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:40,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:40,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:40,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:40,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:40,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:40,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:40,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:40,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:32:40,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:40,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:40,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:32:40,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [74194614] [2020-10-29 11:32:40,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:32:40,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 11:32:40,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291667859] [2020-10-29 11:32:40,592 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 11:32:40,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:32:40,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 11:32:40,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 11:32:40,612 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 5 states. [2020-10-29 11:32:41,159 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:32:44,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:32:44,006 INFO L93 Difference]: Finished difference Result 464 states and 608 transitions. [2020-10-29 11:32:44,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 11:32:44,011 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-29 11:32:44,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:32:44,041 INFO L225 Difference]: With dead ends: 464 [2020-10-29 11:32:44,042 INFO L226 Difference]: Without dead ends: 307 [2020-10-29 11:32:44,050 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 11:32:44,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-10-29 11:32:44,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 249. [2020-10-29 11:32:44,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-10-29 11:32:44,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 300 transitions. [2020-10-29 11:32:44,303 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 300 transitions. Word has length 52 [2020-10-29 11:32:44,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:32:44,305 INFO L481 AbstractCegarLoop]: Abstraction has 249 states and 300 transitions. [2020-10-29 11:32:44,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 11:32:44,305 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 300 transitions. [2020-10-29 11:32:44,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-29 11:32:44,322 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:32:44,322 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:32:44,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:32:44,323 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:32:44,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:32:44,324 INFO L82 PathProgramCache]: Analyzing trace with hash 822459715, now seen corresponding path program 1 times [2020-10-29 11:32:44,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:32:44,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1526292706] [2020-10-29 11:32:44,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:32:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:44,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:45,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:45,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:45,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:46,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:49,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:49,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 11:32:49,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:32:49,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-29 11:32:49,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:49,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:49,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:32:49,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:32:49,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 11:32:49,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:49,874 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:32:49,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:32:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:49,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:49,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:49,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:49,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:49,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-29 11:32:49,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:49,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:49,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:49,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:49,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:32:49,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:50,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:32:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:50,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:50,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:50,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:50,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:50,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:32:50,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:50,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:50,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:50,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:50,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:32:50,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:50,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:32:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:50,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:50,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:50,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:50,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:50,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:50,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:50,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:50,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:50,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:50,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:32:50,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:50,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:32:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:50,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:50,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:50,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:50,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:50,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:50,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:50,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:50,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:50,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:50,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:32:50,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:50,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:32:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:50,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:50,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:50,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:50,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:50,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:50,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:50,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:50,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:50,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:50,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:32:50,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:50,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:32:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:50,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:50,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:50,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:50,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:50,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:50,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:50,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:50,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:50,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:32:50,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 11:32:50,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 11:32:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:50,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:50,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:50,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:32:50,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:50,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:50,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:50,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:50,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:50,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:50,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:32:50,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:50,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 11:32:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:50,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:50,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:50,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:50,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:50,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:32:50,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:50,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:50,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:32:50,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:50,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:32:50,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:50,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 11:32:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:50,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:50,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:50,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:50,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:50,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:32:50,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:50,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:50,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:32:50,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:50,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:50,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:32:50,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1526292706] [2020-10-29 11:32:50,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:32:50,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 11:32:50,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378603793] [2020-10-29 11:32:50,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:32:50,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:32:50,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:32:50,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:32:50,137 INFO L87 Difference]: Start difference. First operand 249 states and 300 transitions. Second operand 9 states. [2020-10-29 11:32:50,817 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:32:52,684 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:32:53,224 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:32:53,690 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:32:54,103 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:32:56,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:32:56,434 INFO L93 Difference]: Finished difference Result 823 states and 1100 transitions. [2020-10-29 11:32:56,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 11:32:56,435 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-10-29 11:32:56,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:32:56,442 INFO L225 Difference]: With dead ends: 823 [2020-10-29 11:32:56,443 INFO L226 Difference]: Without dead ends: 570 [2020-10-29 11:32:56,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-10-29 11:32:56,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2020-10-29 11:32:56,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 434. [2020-10-29 11:32:56,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-10-29 11:32:56,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 525 transitions. [2020-10-29 11:32:56,581 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 525 transitions. Word has length 63 [2020-10-29 11:32:56,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:32:56,582 INFO L481 AbstractCegarLoop]: Abstraction has 434 states and 525 transitions. [2020-10-29 11:32:56,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:32:56,582 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 525 transitions. [2020-10-29 11:32:56,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-29 11:32:56,585 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:32:56,585 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:32:56,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:32:56,586 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:32:56,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:32:56,590 INFO L82 PathProgramCache]: Analyzing trace with hash 985083495, now seen corresponding path program 1 times [2020-10-29 11:32:56,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:32:56,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [293683096] [2020-10-29 11:32:56,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:32:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:56,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:56,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:57,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:57,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:01,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:01,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-29 11:33:01,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:33:01,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4462 [2020-10-29 11:33:01,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:01,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:01,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:33:01,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:33:01,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-29 11:33:01,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:01,515 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:33:01,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:33:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:01,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:01,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:01,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:01,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:01,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-29 11:33:01,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:01,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:01,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:01,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:01,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:33:01,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:01,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:33:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:01,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:01,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:01,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:01,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:01,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:01,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:01,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:01,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:01,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:01,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:33:01,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:01,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:33:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:01,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:01,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:01,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:01,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:01,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:01,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:01,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:01,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:01,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:01,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:33:01,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:01,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:33:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:01,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:01,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:01,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:01,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:01,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:01,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:01,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:01,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:01,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:01,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:01,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:01,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:33:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:01,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:01,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:01,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:01,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:01,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:33:01,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:01,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:01,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:01,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:01,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:33:01,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:01,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:33:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:01,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:01,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:01,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:01,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:01,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:01,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:01,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:01,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:01,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:01,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:01,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:01,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:33:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:01,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:01,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:01,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:01,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:01,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:01,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:01,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:01,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:01,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:01,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:01,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:01,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 11:33:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:01,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:01,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:01,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:01,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:33:01,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:33:01,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:33:01,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:01,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:01,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:33:01,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:33:01,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 11:33:01,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:01,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 11:33:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:01,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:01,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:01,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:01,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:01,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:01,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:01,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:01,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:01,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:01,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:01,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:01,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 11:33:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:01,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:01,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:01,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:01,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:01,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:33:01,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:01,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:01,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:33:01,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:01,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:01,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:01,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:33:01,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [293683096] [2020-10-29 11:33:01,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:33:01,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 11:33:01,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124680607] [2020-10-29 11:33:01,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 11:33:01,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:33:01,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 11:33:01,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-29 11:33:01,813 INFO L87 Difference]: Start difference. First operand 434 states and 525 transitions. Second operand 11 states. [2020-10-29 11:33:02,537 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:33:03,956 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:33:04,391 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:33:04,827 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-29 11:33:05,800 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:33:07,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:33:07,976 INFO L93 Difference]: Finished difference Result 1310 states and 1816 transitions. [2020-10-29 11:33:07,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-29 11:33:07,977 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 67 [2020-10-29 11:33:07,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:33:07,987 INFO L225 Difference]: With dead ends: 1310 [2020-10-29 11:33:07,987 INFO L226 Difference]: Without dead ends: 904 [2020-10-29 11:33:07,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=242, Invalid=628, Unknown=0, NotChecked=0, Total=870 [2020-10-29 11:33:07,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2020-10-29 11:33:08,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 696. [2020-10-29 11:33:08,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 696 states. [2020-10-29 11:33:08,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 863 transitions. [2020-10-29 11:33:08,160 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 863 transitions. Word has length 67 [2020-10-29 11:33:08,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:33:08,160 INFO L481 AbstractCegarLoop]: Abstraction has 696 states and 863 transitions. [2020-10-29 11:33:08,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 11:33:08,161 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 863 transitions. [2020-10-29 11:33:08,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-29 11:33:08,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:33:08,164 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:33:08,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 11:33:08,164 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:33:08,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:33:08,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1481559109, now seen corresponding path program 1 times [2020-10-29 11:33:08,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:33:08,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [684616099] [2020-10-29 11:33:08,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:33:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:08,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:08,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:09,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:09,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-29 11:33:09,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:33:09,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1543 [2020-10-29 11:33:09,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:09,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:09,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:33:09,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-29 11:33:09,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-29 11:33:09,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:10,128 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:33:10,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:33:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:10,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:10,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:10,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:10,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:10,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 11:33:10,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:10,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:10,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:10,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:10,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:10,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:10,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:33:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:10,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:10,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:10,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:10,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:10,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:10,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:10,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:10,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:10,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:10,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:10,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:10,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:33:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:10,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:10,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:10,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:10,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:10,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:10,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:10,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:10,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:10,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:10,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:10,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:10,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:33:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:10,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:10,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:10,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:10,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:10,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:10,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:10,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:10,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:10,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:10,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:10,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:10,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:33:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:10,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:10,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:10,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:10,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:10,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:10,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:10,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:10,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:10,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:10,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:10,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:10,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:33:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:10,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:10,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:10,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:10,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:10,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:10,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:10,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:10,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:10,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:10,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:33:10,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:10,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:33:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:10,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:10,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:10,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:10,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:10,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:10,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:10,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:10,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:10,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:10,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:10,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:10,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-29 11:33:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:10,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:10,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:10,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:10,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 11:33:10,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:33:10,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 11:33:10,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:10,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:10,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:10,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:10,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 11:33:10,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:10,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:10,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:10,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:10,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:10,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:33:10,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:33:10,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 11:33:10,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:10,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:10,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:33:10,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 11:33:10,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:33:10,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:10,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:10,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:10,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:10,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:33:10,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:10,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 11:33:10,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:10,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:10,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:33:10,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:10,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:33:10,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:10,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:33:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:10,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:10,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:10,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:33:10,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:10,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:33:10,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:10,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:10,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:10,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:10,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:10,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:10,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:33:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:10,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:10,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:10,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:10,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:10,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:10,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:10,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:10,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:10,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:33:10,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:10,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:10,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-29 11:33:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:10,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:10,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:10,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:10,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:10,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:10,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:10,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:10,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:10,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:10,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:10,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:10,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 11:33:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:10,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:10,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:10,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:10,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:10,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:10,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:10,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:10,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:10,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:10,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:10,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:10,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:33:10,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [684616099] [2020-10-29 11:33:10,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:33:10,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 11:33:10,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394810619] [2020-10-29 11:33:10,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 11:33:10,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:33:10,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 11:33:10,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-29 11:33:10,458 INFO L87 Difference]: Start difference. First operand 696 states and 863 transitions. Second operand 11 states. [2020-10-29 11:33:11,152 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:33:12,565 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:33:12,983 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-29 11:33:13,449 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:33:13,871 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-29 11:33:16,241 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:33:16,707 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-29 11:33:17,243 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:33:17,725 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:33:19,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:33:19,435 INFO L93 Difference]: Finished difference Result 2415 states and 3425 transitions. [2020-10-29 11:33:19,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-29 11:33:19,436 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 90 [2020-10-29 11:33:19,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:33:19,449 INFO L225 Difference]: With dead ends: 2415 [2020-10-29 11:33:19,449 INFO L226 Difference]: Without dead ends: 1747 [2020-10-29 11:33:19,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=237, Invalid=633, Unknown=0, NotChecked=0, Total=870 [2020-10-29 11:33:19,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2020-10-29 11:33:19,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1297. [2020-10-29 11:33:19,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1297 states. [2020-10-29 11:33:19,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 1628 transitions. [2020-10-29 11:33:19,753 INFO L78 Accepts]: Start accepts. Automaton has 1297 states and 1628 transitions. Word has length 90 [2020-10-29 11:33:19,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:33:19,754 INFO L481 AbstractCegarLoop]: Abstraction has 1297 states and 1628 transitions. [2020-10-29 11:33:19,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 11:33:19,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1628 transitions. [2020-10-29 11:33:19,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-29 11:33:19,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:33:19,760 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:33:19,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 11:33:19,761 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:33:19,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:33:19,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1824908013, now seen corresponding path program 1 times [2020-10-29 11:33:19,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:33:19,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1849184714] [2020-10-29 11:33:19,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:33:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:19,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:19,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:19,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:19,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:20,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:21,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:21,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-29 11:33:21,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:33:21,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1795 [2020-10-29 11:33:21,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:21,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:21,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:21,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-29 11:33:21,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 11:33:21,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:21,952 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:33:21,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:33:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:21,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:22,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:22,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:22,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:22,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 11:33:22,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:22,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:22,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:22,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:22,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:22,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:22,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:33:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:22,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:22,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:22,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:22,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:22,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:22,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:22,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:22,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:22,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:22,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:22,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:22,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:33:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:22,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:22,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:22,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:22,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:22,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:22,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:22,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:22,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:22,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:22,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:22,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:22,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:33:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:22,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:22,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:22,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:22,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:22,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:22,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:22,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:22,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:22,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:22,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:22,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:22,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:33:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:22,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:22,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:22,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:22,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:22,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:22,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:22,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:22,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:22,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:22,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:22,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:22,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:33:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:22,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:22,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:22,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:22,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:22,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:22,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:22,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:22,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:22,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:22,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:22,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:33:22,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:33:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:22,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:22,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:22,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:22,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:22,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:22,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:22,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:22,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:22,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:22,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:22,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 11:33:22,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 11:33:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:22,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:22,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:22,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:33:22,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:22,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:22,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:22,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:22,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:22,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:22,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:22,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:22,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 11:33:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:22,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:22,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:22,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:22,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 11:33:22,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:33:22,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-29 11:33:22,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:22,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:22,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:33:22,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 11:33:22,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:22,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:22,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:22,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:22,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:22,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 11:33:22,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:22,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 11:33:22,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:22,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:22,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:33:22,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 11:33:22,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:22,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:22,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:22,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:22,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:22,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:33:22,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:22,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 11:33:22,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:22,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:33:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 11:33:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:22,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:22,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:22,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:22,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:22,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:33:22,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:22,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:33:22,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:22,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:33:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 11:33:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:22,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:22,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:33:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:22,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:22,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:22,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:33:22,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:22,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:22,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:22,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:22,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:33:22,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:22,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:22,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:22,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:33:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:22,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:22,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:22,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:22,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:22,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:22,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:22,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:22,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:22,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:33:22,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:22,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:22,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:33:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:22,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:22,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:22,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 11:33:22,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:22,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:33:22,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:22,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:22,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:22,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 11:33:22,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:22,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:22,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:33:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:22,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:22,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:22,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:22,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:22,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:22,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:22,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:22,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:22,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:22,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:22,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:33:22,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:33:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:22,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:22,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:22,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:22,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:22,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:22,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:22,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:22,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:22,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:22,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:22,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:33:22,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-29 11:33:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:22,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:22,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:22,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:22,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:22,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:33:22,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:22,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:22,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:22,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:22,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:22,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:33:22,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-29 11:33:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:22,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:22,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:22,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:22,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:22,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:22,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:22,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:22,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:22,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:33:22,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:22,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:22,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 11:33:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:22,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:22,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:22,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:22,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:22,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:22,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:22,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:22,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:22,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:33:22,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:22,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:33:22,432 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-29 11:33:22,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1849184714] [2020-10-29 11:33:22,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:33:22,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 11:33:22,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201888896] [2020-10-29 11:33:22,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 11:33:22,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:33:22,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 11:33:22,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-29 11:33:22,435 INFO L87 Difference]: Start difference. First operand 1297 states and 1628 transitions. Second operand 13 states. [2020-10-29 11:33:23,553 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:33:24,806 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:33:25,265 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:33:25,665 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:33:29,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:33:29,932 INFO L93 Difference]: Finished difference Result 3702 states and 5822 transitions. [2020-10-29 11:33:29,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-29 11:33:29,932 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 125 [2020-10-29 11:33:29,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:33:29,954 INFO L225 Difference]: With dead ends: 3702 [2020-10-29 11:33:29,954 INFO L226 Difference]: Without dead ends: 2433 [2020-10-29 11:33:29,962 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 699 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=526, Invalid=1730, Unknown=0, NotChecked=0, Total=2256 [2020-10-29 11:33:29,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2433 states. [2020-10-29 11:33:30,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2433 to 1452. [2020-10-29 11:33:30,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1452 states. [2020-10-29 11:33:30,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 1817 transitions. [2020-10-29 11:33:30,281 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 1817 transitions. Word has length 125 [2020-10-29 11:33:30,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:33:30,282 INFO L481 AbstractCegarLoop]: Abstraction has 1452 states and 1817 transitions. [2020-10-29 11:33:30,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 11:33:30,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1817 transitions. [2020-10-29 11:33:30,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-29 11:33:30,289 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:33:30,290 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:33:30,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 11:33:30,290 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:33:30,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:33:30,291 INFO L82 PathProgramCache]: Analyzing trace with hash 20685643, now seen corresponding path program 1 times [2020-10-29 11:33:30,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:33:30,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1241115438] [2020-10-29 11:33:30,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:33:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:30,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:30,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:30,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:30,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:30,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:31,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:32,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:33,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:35,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:35,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-29 11:33:35,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 11:33:35,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-29 11:33:35,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:35,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:35,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:33:35,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:33:35,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-29 11:33:35,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:35,822 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:33:35,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:33:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:35,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:35,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:35,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:35,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:35,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-29 11:33:35,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:35,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:35,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:35,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:35,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:33:35,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:35,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:33:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:35,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:35,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:35,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:35,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:35,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:35,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:35,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:35,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:35,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:35,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:33:35,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:33:35,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:33:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:35,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:36,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:36,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:36,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:36,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:36,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:36,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:36,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:36,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:33:36,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:33:36,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:33:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:36,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:36,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:36,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:36,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:36,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:36,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:36,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:36,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:36,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:36,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:33:36,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:33:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:36,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:36,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:36,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:36,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:36,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:36,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:36,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:36,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:36,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:33:36,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:33:36,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:33:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:36,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:36,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:36,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:36,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:36,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:36,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:36,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:36,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:36,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:36,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:33:36,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:33:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:36,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:36,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:36,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:36,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:36,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:36,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:36,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:36,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:36,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:36,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:33:36,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 11:33:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:36,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:36,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 11:33:36,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:33:36,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-29 11:33:36,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:36,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:36,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:33:36,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:33:36,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 11:33:36,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:36,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:36,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:36,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 11:33:36,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:36,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 11:33:36,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:36,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:36,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:33:36,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:36,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 11:33:36,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:36,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:36,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:36,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:33:36,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:36,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:33:36,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:36,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:36,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:36,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:36,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 11:33:36,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:36,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:36,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:36,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:33:36,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:36,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:33:36,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:36,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:36,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:36,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:36,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:33:36,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:36,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:33:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:36,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:36,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:33:36,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:36,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:36,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:36,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:36,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:36,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:36,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 11:33:36,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:36,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:33:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:36,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:36,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:36,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:36,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:36,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:36,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:36,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:36,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:36,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:36,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:33:36,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:33:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:36,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:36,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 11:33:36,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:36,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:33:36,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:36,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:36,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:36,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:36,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 11:33:36,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:36,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:33:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:36,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:36,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:36,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:36,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:36,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:36,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:36,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:36,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:36,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:36,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:36,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:33:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:36,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:36,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:36,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:36,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:36,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:36,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:36,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:36,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:36,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:36,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:36,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-29 11:33:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:36,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:36,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:36,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:36,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:33:36,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:36,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:36,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:33:36,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:33:36,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:33:36,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:36,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-29 11:33:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:36,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:36,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 11:33:36,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:36,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 11:33:36,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:36,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:36,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:36,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 11:33:36,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 11:33:36,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:36,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:36,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:36,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:33:36,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:36,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 11:33:36,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:36,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:36,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:36,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:36,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 11:33:36,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:36,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:36,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:36,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:33:36,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:36,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:33:36,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:36,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:36,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:36,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:36,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:33:36,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:36,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:33:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:36,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:36,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:33:36,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:36,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:36,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:36,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:36,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:36,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:36,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 11:33:36,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:36,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:33:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:36,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:36,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:36,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:36,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:36,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:36,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:36,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:36,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:36,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:36,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:36,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-29 11:33:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:36,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:36,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:36,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:36,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:36,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:36,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:36,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:36,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:33:36,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:36,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:36,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-29 11:33:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:36,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:36,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:36,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:36,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:36,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:36,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:36,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:36,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:36,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:33:36,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:36,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:36,611 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-29 11:33:36,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1241115438] [2020-10-29 11:33:36,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:33:36,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 11:33:36,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921792217] [2020-10-29 11:33:36,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 11:33:36,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:33:36,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 11:33:36,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-29 11:33:36,616 INFO L87 Difference]: Start difference. First operand 1452 states and 1817 transitions. Second operand 14 states. [2020-10-29 11:33:37,252 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:33:38,476 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-29 11:33:42,769 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-29 11:33:46,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:33:46,425 INFO L93 Difference]: Finished difference Result 6220 states and 9165 transitions. [2020-10-29 11:33:46,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-10-29 11:33:46,427 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 153 [2020-10-29 11:33:46,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:33:46,461 INFO L225 Difference]: With dead ends: 6220 [2020-10-29 11:33:46,462 INFO L226 Difference]: Without dead ends: 4690 [2020-10-29 11:33:46,475 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 58 SyntacticMatches, 6 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1041 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=515, Invalid=2791, Unknown=0, NotChecked=0, Total=3306 [2020-10-29 11:33:46,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4690 states. [2020-10-29 11:33:47,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4690 to 3971. [2020-10-29 11:33:47,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3971 states. [2020-10-29 11:33:47,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3971 states to 3971 states and 5046 transitions. [2020-10-29 11:33:47,596 INFO L78 Accepts]: Start accepts. Automaton has 3971 states and 5046 transitions. Word has length 153 [2020-10-29 11:33:47,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:33:47,596 INFO L481 AbstractCegarLoop]: Abstraction has 3971 states and 5046 transitions. [2020-10-29 11:33:47,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 11:33:47,597 INFO L276 IsEmpty]: Start isEmpty. Operand 3971 states and 5046 transitions. [2020-10-29 11:33:47,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-29 11:33:47,607 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:33:47,607 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:33:47,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 11:33:47,608 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:33:47,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:33:47,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1176707019, now seen corresponding path program 1 times [2020-10-29 11:33:47,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:33:47,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1026287548] [2020-10-29 11:33:47,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:33:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:47,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:47,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:47,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:47,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:49,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:49,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:51,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:51,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-29 11:33:51,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 11:33:51,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3800 [2020-10-29 11:33:51,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:51,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:51,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:33:51,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-29 11:33:51,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-29 11:33:51,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:51,798 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:33:51,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:33:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:51,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:51,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:51,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:51,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:51,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 11:33:51,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:51,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:51,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:51,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:51,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:51,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:51,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:33:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:51,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:51,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:51,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:51,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:51,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:51,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:51,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:51,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:51,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:51,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:51,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:51,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:33:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:51,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:51,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:51,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:51,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:51,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:51,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:51,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:51,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:51,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:51,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:51,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:51,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:33:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:51,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:51,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:51,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:51,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:51,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:51,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:51,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:51,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:51,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:51,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:51,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:51,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:33:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:51,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:51,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:51,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:51,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:51,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:51,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:51,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:51,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:51,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:51,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:51,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:51,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:33:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:51,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:51,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:51,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:51,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:51,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:51,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:51,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:51,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:51,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:51,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:51,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:51,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:33:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:51,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:51,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:51,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:51,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:51,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:51,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:51,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:51,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:51,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:51,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:51,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:51,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:33:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:51,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:51,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:51,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:51,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:51,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:51,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:51,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:51,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:51,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:51,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:51,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:51,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 11:33:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:51,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:51,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:51,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 11:33:51,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:51,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 11:33:51,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:51,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:51,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:51,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:51,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-29 11:33:51,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:51,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:51,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:51,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:51,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 11:33:51,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:51,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:33:51,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:51,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:51,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:51,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:51,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 11:33:51,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:51,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:51,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:51,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:51,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:33:51,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:51,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:33:51,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:51,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:51,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:51,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:51,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:33:51,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:52,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:52,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:52,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:52,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:33:52,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:52,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:52,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:52,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:52,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:52,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:52,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:52,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:52,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:33:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:52,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:52,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:52,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:33:52,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:52,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:52,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:52,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:52,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:52,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:52,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:33:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:52,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:52,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:52,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:52,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:52,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:52,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:52,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:52,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:52,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:52,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:33:52,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:52,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:33:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:52,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:52,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:52,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 11:33:52,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:52,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:33:52,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:52,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:52,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:52,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:52,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 11:33:52,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:52,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:33:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:52,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:52,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:52,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:52,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:52,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:52,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:52,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:52,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:52,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:52,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:52,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:52,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:33:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:52,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:52,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:52,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:52,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:52,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:52,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:52,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:52,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:52,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:52,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:52,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:52,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-29 11:33:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:52,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:52,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:52,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 11:33:52,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:52,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:33:52,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:52,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:52,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:52,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-29 11:33:52,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:52,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:52,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:52,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:52,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:52,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:33:52,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:52,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:52,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:52,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:52,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:52,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:52,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:52,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:52,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:52,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:52,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:52,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:33:52,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:52,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:52,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:52,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:52,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:52,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:52,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:52,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:52,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:33:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:52,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:52,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:52,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:33:52,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:52,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:52,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:52,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:52,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:52,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:52,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:52,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:52,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:33:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:52,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:52,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:52,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:52,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:52,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:52,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:52,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:52,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:52,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:52,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:52,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:52,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-29 11:33:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:52,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:52,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:52,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:52,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:52,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:52,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:52,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:52,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:52,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:33:52,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:52,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:52,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-29 11:33:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:52,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:52,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:52,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:52,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:52,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:52,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:52,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:33:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:52,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:52,123 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-29 11:33:52,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1026287548] [2020-10-29 11:33:52,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:33:52,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 11:33:52,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450506324] [2020-10-29 11:33:52,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:33:52,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:33:52,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:33:52,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:33:52,126 INFO L87 Difference]: Start difference. First operand 3971 states and 5046 transitions. Second operand 9 states. [2020-10-29 11:33:54,063 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:33:55,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:33:55,987 INFO L93 Difference]: Finished difference Result 7767 states and 10351 transitions. [2020-10-29 11:33:55,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-29 11:33:55,988 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 153 [2020-10-29 11:33:55,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:33:56,015 INFO L225 Difference]: With dead ends: 7767 [2020-10-29 11:33:56,015 INFO L226 Difference]: Without dead ends: 4160 [2020-10-29 11:33:56,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 56 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=205, Invalid=497, Unknown=0, NotChecked=0, Total=702 [2020-10-29 11:33:56,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4160 states. [2020-10-29 11:33:56,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4160 to 3669. [2020-10-29 11:33:56,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3669 states. [2020-10-29 11:33:56,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3669 states to 3669 states and 4362 transitions. [2020-10-29 11:33:56,785 INFO L78 Accepts]: Start accepts. Automaton has 3669 states and 4362 transitions. Word has length 153 [2020-10-29 11:33:56,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:33:56,786 INFO L481 AbstractCegarLoop]: Abstraction has 3669 states and 4362 transitions. [2020-10-29 11:33:56,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:33:56,786 INFO L276 IsEmpty]: Start isEmpty. Operand 3669 states and 4362 transitions. [2020-10-29 11:33:56,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-29 11:33:56,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:33:56,794 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:33:56,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 11:33:56,794 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:33:56,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:33:56,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1072862576, now seen corresponding path program 1 times [2020-10-29 11:33:56,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:33:56,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1107501132] [2020-10-29 11:33:56,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:33:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:56,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:56,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:57,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:58,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:01,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:01,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-29 11:34:01,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:34:01,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4497 [2020-10-29 11:34:01,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:01,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:01,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 11:34:01,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:34:01,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-29 11:34:01,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:01,680 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:34:01,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:34:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:01,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:01,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:01,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:01,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:01,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-29 11:34:01,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:01,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:01,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:34:01,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:01,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:34:01,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:01,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:34:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:01,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:01,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:01,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:34:01,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:01,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:34:01,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:01,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:01,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:34:01,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:01,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:34:01,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:01,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:34:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:01,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:01,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:01,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:34:01,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:01,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:34:01,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:01,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:01,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:34:01,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:01,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:34:01,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:01,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:34:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:01,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:01,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:01,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:01,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:01,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:34:01,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:01,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:01,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:34:01,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:01,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:34:01,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:01,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:34:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:01,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:01,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:01,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:34:01,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:01,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:01,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:01,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:01,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:34:01,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:01,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:34:01,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:01,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:34:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:01,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:01,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:01,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:01,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:01,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:34:01,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:01,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:34:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:34:01,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:01,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:34:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:01,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:01,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:01,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:01,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:01,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:34:01,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:01,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:01,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:34:01,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:34:01,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:34:01,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:01,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:34:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:01,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:01,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:01,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:01,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:01,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:34:01,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:01,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:01,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:34:01,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:01,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:34:01,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:01,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 11:34:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:01,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:01,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:01,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:01,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 11:34:01,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:34:01,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 11:34:01,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:01,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:01,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:34:01,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:34:01,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 11:34:01,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:34:01,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:34:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:01,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:02,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:02,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 11:34:02,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:02,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:34:02,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:02,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:02,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:34:02,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:02,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 11:34:02,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:02,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:34:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:02,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:02,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:02,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:34:02,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:02,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:34:02,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:02,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:02,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:02,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:02,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:02,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:02,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:34:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:02,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:02,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:02,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:34:02,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:02,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:34:02,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:02,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:02,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:02,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:02,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:02,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:02,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:34:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:02,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:02,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:02,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:34:02,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:02,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:02,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:02,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:02,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:02,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:02,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:02,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:34:02,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:34:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:02,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:02,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:02,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:02,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:02,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:02,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:02,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:02,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:02,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:02,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:02,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:34:02,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:34:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:02,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:02,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:02,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 11:34:02,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:02,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:34:02,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:02,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:02,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:34:02,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:02,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 11:34:02,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:02,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:34:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:02,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:02,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:02,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:02,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:02,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:02,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:02,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:02,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:02,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:02,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:02,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:34:02,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:34:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:02,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:02,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:02,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:02,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:02,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:34:02,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:02,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:02,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:02,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:02,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:02,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:34:02,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 11:34:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:02,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:02,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:02,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:02,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:02,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:34:02,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:02,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:02,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:34:02,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:34:02,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:34:02,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:02,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 11:34:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:02,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:02,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:02,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 11:34:02,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:02,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 11:34:02,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:02,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:02,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:34:02,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 11:34:02,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:34:02,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:02,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:34:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:02,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:02,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:02,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 11:34:02,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:02,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:34:02,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:02,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:02,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:34:02,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:02,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 11:34:02,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:02,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:34:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:02,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:02,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:02,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:02,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:02,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:34:02,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:02,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:02,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:34:02,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:02,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:34:02,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:02,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 11:34:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:02,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:02,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:02,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:34:02,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:02,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:34:02,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:02,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:02,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:34:02,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:02,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:34:02,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:02,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:34:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:02,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:02,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:02,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:34:02,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:02,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:02,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:02,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:02,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:02,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:02,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 11:34:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:02,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:02,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:02,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:02,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:02,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:02,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:02,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:02,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:02,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:34:02,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:02,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:02,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-29 11:34:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:02,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:02,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:02,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:02,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:02,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:02,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:02,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:02,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:02,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:34:02,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:02,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:02,303 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-29 11:34:02,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1107501132] [2020-10-29 11:34:02,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:34:02,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-29 11:34:02,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763437611] [2020-10-29 11:34:02,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-29 11:34:02,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:34:02,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-29 11:34:02,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2020-10-29 11:34:02,309 INFO L87 Difference]: Start difference. First operand 3669 states and 4362 transitions. Second operand 18 states. [2020-10-29 11:34:02,983 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:34:03,990 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:34:07,169 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:34:08,001 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 210 [2020-10-29 11:34:08,810 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 210 [2020-10-29 11:34:09,551 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-10-29 11:34:11,573 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-29 11:34:12,089 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-29 11:34:12,568 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:34:12,979 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:34:16,942 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 210 [2020-10-29 11:34:17,905 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 210 [2020-10-29 11:34:24,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:34:24,831 INFO L93 Difference]: Finished difference Result 18240 states and 26974 transitions. [2020-10-29 11:34:24,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2020-10-29 11:34:24,832 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 150 [2020-10-29 11:34:24,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:34:24,944 INFO L225 Difference]: With dead ends: 18240 [2020-10-29 11:34:24,944 INFO L226 Difference]: Without dead ends: 14847 [2020-10-29 11:34:24,977 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3405 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=1507, Invalid=7999, Unknown=0, NotChecked=0, Total=9506 [2020-10-29 11:34:24,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14847 states. [2020-10-29 11:34:26,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14847 to 8244. [2020-10-29 11:34:26,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8244 states. [2020-10-29 11:34:26,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8244 states to 8244 states and 9852 transitions. [2020-10-29 11:34:26,930 INFO L78 Accepts]: Start accepts. Automaton has 8244 states and 9852 transitions. Word has length 150 [2020-10-29 11:34:26,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:34:26,930 INFO L481 AbstractCegarLoop]: Abstraction has 8244 states and 9852 transitions. [2020-10-29 11:34:26,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-29 11:34:26,931 INFO L276 IsEmpty]: Start isEmpty. Operand 8244 states and 9852 transitions. [2020-10-29 11:34:26,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-29 11:34:26,938 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:34:26,938 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:34:26,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 11:34:26,939 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:34:26,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:34:26,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1632622594, now seen corresponding path program 1 times [2020-10-29 11:34:26,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:34:26,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454037344] [2020-10-29 11:34:26,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:34:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:26,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:27,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:27,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-29 11:34:27,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:27,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-10-29 11:34:27,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:27,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:34:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-10-29 11:34:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:34:27,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:27,688 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:34:27,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:34:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:27,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:27,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:27,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:27,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:27,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 11:34:27,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:27,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:27,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:27,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:27,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:27,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:27,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:34:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:27,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:27,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:27,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:34:27,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:27,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:27,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:27,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:27,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:27,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:27,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:27,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:27,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:34:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:27,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:27,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:27,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:34:27,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:27,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:27,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:27,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:27,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:27,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:27,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:27,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:27,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:34:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:27,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:27,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:27,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:27,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:27,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:27,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:27,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:27,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:27,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:27,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:27,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:27,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:34:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:27,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:27,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:27,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:34:27,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:27,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:27,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:27,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:27,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:27,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:27,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:27,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:27,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:34:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:27,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:27,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:27,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:27,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:27,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:27,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:27,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:27,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:27,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:27,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:27,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:27,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:34:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:27,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:27,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:27,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:27,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:27,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:34:27,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:27,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:27,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:27,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:27,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:27,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:27,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:34:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:27,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:27,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:27,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:27,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:27,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:34:27,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:27,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:27,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:27,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:27,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:27,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:27,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 11:34:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:27,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:27,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:27,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 11:34:27,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:27,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:34:27,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:27,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:27,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:27,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:27,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:27,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:27,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:34:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:27,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:27,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:27,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 11:34:27,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:27,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:34:27,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:27,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:27,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:27,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:27,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:27,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:27,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:34:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:27,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:27,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:27,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:34:27,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:27,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:34:27,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:27,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:27,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:27,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:27,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:27,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:27,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:34:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:27,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:27,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:27,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:34:27,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:27,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:34:27,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:27,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:27,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:27,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:27,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:27,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:27,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:34:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:27,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:27,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:27,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:34:27,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:27,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:34:27,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:27,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:27,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:27,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:27,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:27,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:34:27,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:34:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:27,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:27,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:27,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:27,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:27,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:27,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:27,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:27,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:27,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:27,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:27,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:27,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:34:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:27,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:27,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:27,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 11:34:27,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:27,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:34:27,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:27,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:27,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:27,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:27,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:27,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:34:28,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:34:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:28,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:28,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:28,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:28,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:28,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:28,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:28,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:28,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:28,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:28,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:28,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:28,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:34:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:28,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:28,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:28,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:28,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:28,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:34:28,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:28,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:28,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:28,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:28,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:28,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:28,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 11:34:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:28,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:28,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:28,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:28,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:28,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:34:28,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:28,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:28,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:28,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:28,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:28,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:28,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-29 11:34:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:28,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:28,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:28,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 11:34:28,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:28,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 11:34:28,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:28,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:28,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:34:28,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 11:34:28,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:34:28,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:28,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:34:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:28,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:28,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:28,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 11:34:28,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:28,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:34:28,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:28,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:28,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:34:28,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:28,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 11:34:28,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:28,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:34:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:28,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:28,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:28,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:28,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:28,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:34:28,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:28,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:28,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:28,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:28,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:28,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:28,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 11:34:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:28,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:28,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:28,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:34:28,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:28,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:34:28,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:28,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:28,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:28,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 11:34:28,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:28,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:28,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:34:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:28,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:28,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:28,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:34:28,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:28,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:28,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:28,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:28,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:28,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:28,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:28,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:28,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 11:34:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:28,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:28,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:28,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:28,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:28,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:34:28,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:28,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:28,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:28,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:34:28,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:28,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:28,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 11:34:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:28,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:28,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:28,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:28,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:28,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:34:28,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:28,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:28,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:28,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:34:28,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:28,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:28,191 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-29 11:34:28,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454037344] [2020-10-29 11:34:28,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:34:28,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 11:34:28,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759106779] [2020-10-29 11:34:28,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 11:34:28,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:34:28,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 11:34:28,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-29 11:34:28,194 INFO L87 Difference]: Start difference. First operand 8244 states and 9852 transitions. Second operand 12 states. [2020-10-29 11:34:31,325 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:34:31,804 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:34:32,237 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:34:32,645 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:34:33,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:34:33,662 INFO L93 Difference]: Finished difference Result 10826 states and 13178 transitions. [2020-10-29 11:34:33,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 11:34:33,662 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 155 [2020-10-29 11:34:33,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:34:33,677 INFO L225 Difference]: With dead ends: 10826 [2020-10-29 11:34:33,677 INFO L226 Difference]: Without dead ends: 2448 [2020-10-29 11:34:33,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2020-10-29 11:34:33,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2448 states. [2020-10-29 11:34:34,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2448 to 2119. [2020-10-29 11:34:34,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2119 states. [2020-10-29 11:34:34,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 2119 states and 2440 transitions. [2020-10-29 11:34:34,104 INFO L78 Accepts]: Start accepts. Automaton has 2119 states and 2440 transitions. Word has length 155 [2020-10-29 11:34:34,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:34:34,105 INFO L481 AbstractCegarLoop]: Abstraction has 2119 states and 2440 transitions. [2020-10-29 11:34:34,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 11:34:34,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 2440 transitions. [2020-10-29 11:34:34,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-29 11:34:34,112 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:34:34,112 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:34:34,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 11:34:34,113 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:34:34,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:34:34,113 INFO L82 PathProgramCache]: Analyzing trace with hash -276877778, now seen corresponding path program 1 times [2020-10-29 11:34:34,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:34:34,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [888061236] [2020-10-29 11:34:34,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:34:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-29 11:34:34,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-29 11:34:34,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:34:34,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 156 [2020-10-29 11:34:34,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:34:34,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,720 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:34:34,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:34:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:34,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 11:34:34,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:34,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:34,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:34,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:34:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:34:34,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:34,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:34,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:34,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:34,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:34:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:34:34,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:34,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:34,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:34,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:34,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:34:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:34,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:34,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:34,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:34:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:34:34,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:34,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:34,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:34,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:34,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:34:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:34,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:34,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:34,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:34,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:34,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:34:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:34,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:34:34,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:34,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:34,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:34,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:34:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:34,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:34:34,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:34,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:34,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:34,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 11:34:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 11:34:34,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:34:34,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:34,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:34,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:34,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:34:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 11:34:34,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:34:34,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:34,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:34,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:34,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:34:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:34:34,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:34:34,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:34,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:34,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:34,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:34:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:34:34,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 11:34:34,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:34,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:34,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:34,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:34:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:34:34,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:34:34,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:34,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:34,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:34,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:34:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:34,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:34,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:34,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:34,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:34,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:34:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 11:34:34,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:34:34,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:34,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:34:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:34,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:34,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:34,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:34,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:34,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:34:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:34,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:34,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:34,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:34,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:34,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 11:34:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:34:34,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:34:34,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:34:34,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:34,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 11:34:34,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:34:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:34,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:34,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:34,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:34,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:34,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-29 11:34:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 11:34:34,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:34:34,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:34,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-29 11:34:34,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:34,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:34:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:34:34,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:34:34,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:34,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:34,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:34,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:34:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:34:34,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:34:34,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:34,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:34,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:34,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:34,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:34:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:34,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:34,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:34,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:34:34,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:34,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:34,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:34,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:34,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:34,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:34,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:34,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:35,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:34:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:35,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:35,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:35,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:35,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:35,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:35,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:35,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:35,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:35,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:35,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:35,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:35,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-29 11:34:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:35,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:35,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:35,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:35,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:35,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:35,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:35,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:35,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:35,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:34:35,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:35,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:35,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-29 11:34:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:35,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:35,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:35,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:35,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:35,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:35,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:35,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:35,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:35,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:34:35,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:35,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:35,049 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-29 11:34:35,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [888061236] [2020-10-29 11:34:35,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:34:35,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 11:34:35,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520851037] [2020-10-29 11:34:35,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 11:34:35,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:34:35,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 11:34:35,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-29 11:34:35,052 INFO L87 Difference]: Start difference. First operand 2119 states and 2440 transitions. Second operand 10 states. [2020-10-29 11:34:36,277 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:34:40,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:34:40,530 INFO L93 Difference]: Finished difference Result 3699 states and 4498 transitions. [2020-10-29 11:34:40,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-29 11:34:40,536 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2020-10-29 11:34:40,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:34:40,540 INFO L225 Difference]: With dead ends: 3699 [2020-10-29 11:34:40,540 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 11:34:40,550 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=354, Invalid=1128, Unknown=0, NotChecked=0, Total=1482 [2020-10-29 11:34:40,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 11:34:40,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 11:34:40,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 11:34:40,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 11:34:40,551 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 162 [2020-10-29 11:34:40,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:34:40,551 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 11:34:40,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 11:34:40,551 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 11:34:40,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 11:34:40,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 11:34:40,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 11:34:40,715 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 22 [2020-10-29 11:34:41,283 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 235 [2020-10-29 11:34:41,896 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 32 [2020-10-29 11:34:42,119 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 222 [2020-10-29 11:34:43,817 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-10-29 11:34:53,092 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 553 DAG size of output: 447 [2020-10-29 11:34:57,466 WARN L193 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 672 DAG size of output: 520 [2020-10-29 11:35:00,086 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 214 [2020-10-29 11:35:03,425 WARN L193 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 578 DAG size of output: 480 [2020-10-29 11:35:06,491 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2020-10-29 11:35:07,746 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 275 [2020-10-29 11:35:08,482 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 275 [2020-10-29 11:35:08,883 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 275 [2020-10-29 11:35:16,449 WARN L193 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 530 DAG size of output: 428 [2020-10-29 11:35:24,587 WARN L193 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 485 DAG size of output: 410 [2020-10-29 11:35:27,541 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 564 DAG size of output: 473 [2020-10-29 11:35:27,912 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 121 [2020-10-29 11:35:28,611 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2020-10-29 11:35:29,881 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 275 [2020-10-29 11:35:30,633 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 275 [2020-10-29 11:35:31,029 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 275 [2020-10-29 11:35:39,282 WARN L193 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 297 DAG size of output: 41 [2020-10-29 11:35:40,243 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 20 [2020-10-29 11:35:40,515 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-10-29 11:35:44,930 WARN L193 SmtUtils]: Spent 4.41 s on a formula simplification. DAG size of input: 382 DAG size of output: 33 [2020-10-29 11:35:45,264 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 29 [2020-10-29 11:35:46,292 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 207 DAG size of output: 25 [2020-10-29 11:35:46,543 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-10-29 11:35:46,898 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 29 [2020-10-29 11:35:54,230 WARN L193 SmtUtils]: Spent 7.32 s on a formula simplification. DAG size of input: 458 DAG size of output: 34 [2020-10-29 11:35:56,598 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 197 DAG size of output: 37 [2020-10-29 11:35:58,195 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 169 DAG size of output: 18 [2020-10-29 11:35:58,784 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 14 [2020-10-29 11:35:59,819 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 205 DAG size of output: 22